Failed to create environment texture

I used EnvironmentTextureTools.CreateEnvTextureAsync() to create the environment texture, but got the wrong result.

pinging @sebavan

Ohhhh this is only meant to be used with hdr picture and not from pngs. Basically, either from a .hdr file or a .dds file.

I have added support for it here: Fix env creation check by sebavan · Pull Request #9565 · BabylonJS/Babylon.js · GitHub it should be in the next nightly